云计算应用迁移
Rehost:
重新托管：
Rehosting an application to the cloud without making changes to its architecture or code.
将应用程序重新托管到云，而无需更改其架构或代码。
Refactor:
重构：
Involves application code and configuration changes for connecting the application to new infrastructure services.
涉及应用程序代码和配置更改，以将应用程序连接到新的基础结构服务。
Review:
评论：
Modifying or extending the existing code base to support legacy modernization requirements, then use rehost or refactor options for deploying to the cloud.
修改或扩展现有代码库以支持旧式现代化要求，然后使用重新托管或重构选项将其部署到云中。
Rebuild:
重建：
Involves rebuilding the application on a provider’s application platform. It discards code for an existing application.
涉及在提供商的应用程序平台上重建应用程序。 它丢弃现有应用程序的代码。
Replace:
更换：
Involves discarding of an existing application or set of applications and uses commercial software delivered as a service.
涉及丢弃现有应用程序或一组应用程序，并使用作为服务交付的商业软件。
将应用程序迁移到云 (Migrate an Application to the Cloud)
A few ways to migrate an application to the cloud:
将应用程序迁移到云的几种方法：
Rehost on infrastructure as a service (IaaS)
重新托管基础架构即服务(IaaS)
Refactor for the platform as a service (PaaS)
重构平台即服务(PaaS)
Revise for IaaS or PaaS
针对IaaS或PaaS进行修订
Rebuild on PaaS
在PaaS上重建
Replace with software as a service (SaaS)
替换为软件即服务(SaaS)
迁移到云的理论7步模型 (Theoretical 7-step model of migration to the cloud)
Conduct cloud migration assessments.
进行云迁移评估。
Isolate the dependencies.
隔离依赖关系。
Map the messaging and environment.
映射消息传递和环境。
Re-architect and implement the lost functionalities.
重新架构并实施丢失的功能。
Leverage cloud functionalities and features.
利用云功能和特性。
Test the migration.
测试迁移。
Iterate and optimize.
迭代和优化。
将应用程序迁移到云可能是组织面临的挑战 (Migrating an application to the cloud can be a challenge to organization with)
IT policy formulation
IT政策制定
Organizational politics and culture
组织政治与文化
Security, compliance, and SLAs management
安全性，合规性和SLA管理
翻译自: https://www.includehelp.com/cloud-computing/application-migration-strategy-to-cloud.aspx
云计算应用迁移
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